The Big Bang Theory

The Large Hadron Collision

  • Season 3
  • , Episode 15  | 
  • Aired: 2/8/2010
    • Length: 21:21
    • Plays: ???
Synopsis >

It?s Valentine?s Day, and Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider (the world's largest and highest energy particle accelerator) in Switzerland. Will it be Sheldon or Penny?

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